How to draw a feature on a curved surface on solid works ?

Do I need to draw planes or what ? I want to draw a lofted feature on a curved surface but I cannot draw the feature directly onto the curves. Should I draw it as a part or what? It may be tough to see from the photo but Im trying to draw the pyramidal features. I have no problem drawing them on a flat surface but I cant draw them on the curved surface!!
Thanks

Answer
 
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10 Answers

i would prefer making it on flat surface and then use feature >> move-copy bodies...

it's more like mating...

 
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Thanks for the information and images, now I can help.
I actually made the exact shape couple of days ago.
I can't think of an automated way to do it, either do the curved surface, use Split Line to make the faces then with points for the Lofted Boss feature or as Sudhir suggested.

Answered with a tutorial: https://grabcad.com/tutorials/how-to-draw-a-feature-on-a-curved-surface-on-solid-works

 
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step 1
Draw curved sketch on top plane (6" circle)
exit sketch
Step 2
Extrude surface 2" or desired amount
Step 3
Draw sketch "facets" on front plane 1/2"x1/2"
exit sketch
Step 4
Project curve onto surface
Step 5
New 3D sketch
Convert Entities "projected curve"
Draw diagonal line between 2 corners
Draw perendicular to diagonal
exit sketch
Step 6
New plane .(4)
Select line "S" and endpoint of line "S"
Step 7
New sketch on plane .(4)
Convert Entities endpoint of line "S"
Exit sketch
Step 8
Loft between "facets" on surface and point on plane (4)

Step 8
Make linear and circular patterns as necessary

 
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If you want to import an immage or another drawing from autocad or draftight, u can imporrt them in as a logo and hit all files, you can even extrude them as well.... :):):):) help it helped a little :D:D:D

 
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oops... i would have projected a curve rather than a split line...and then applied move-copy with tangent and co-incident... :P

 
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can anybody put up a video of them doing it on solid works ?? Im clasping at straws here!!!!!!!!!

 
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To me, the most intuitive way seems to be making perpendicular cuts. I tried it out on a model, and whereas the cuts along the curve swept perfectly, I had some trouble getting the cuts perpendicular to the curve to give me a closed sketch. Let me know if you have trouble figuring out how I made the part.

 
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Draw a sketch on plane and transform it to curved side then use circular pattern.

 
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